Rogério César Fermino

Associação entre atividade física e qualidade de vida em adultos

OBJECTIVEnTo summarize and analyze evidences of the association between physical activity and quality of life.nnnMETHODSnSystematic literature review in three electronic databases -PubMed, Lilacs and SciELO- using the following descriptors: physical activity, motor activity, exercise, walking, running, physical fitness, sport, life style, quality of life, WHOQOL and SF. There were selected 38 studies published between 1980 and 2010 that used any instrument to measure physical activity and any version of the Medical Outcomes Study 36-Item Short-Form Health Survey or the World Health Organization Quality of Life to assess quality of life.nnnRESULTSnMost studies reviewed were cross-sectional (68%), 18% experimental, 8% prospective follow-up cohort and 5% mixed-design (cross-sectional and longitudinal). The most widely used questionnaire to assess quality of life was SF-36 (71%), and physical activity was self-reported in 82% of the studies reviewed. Higher level of physical activity was associated with better perception of quality of life in the elderly, apparently healthy adults and individuals with different clinical conditions.nnnCONCLUSIONSnThere is a positive association between physical activity and quality of life that varies according to the domain analyzed.OBJETIVO: Sintetizar y analizar las evidencias de la literatura sobre la asociacion entre actividad fisica y calidad de vida. METODOS: Revision sistematica en las bases PubMed, Lilacs y SciELO con utilizacion de los descriptores physical activity, motor activity, exercise, walking, running, physical fitness, sport, life style, quality of life, WHOQOL, y SF. Se seleccionaron 38 estudios publicados entre 1980 y 2010 que utilizaron algun instrumento de medida de la actividad fisica y con alguna version de los cuestionarios Medical Outcomes Study 36-Item Short-Form Health Survey o World Health Organization Quality of Life para evaluar la calidad de vida. RESULTADOS: La mayoria de los estudios presento delineamiento transversal (68%), 18% fueron experimentales, 8% de acompanamiento prospectivo (cohorte) y 5% con delineamiento mixto (transversal y longitudinal). El cuestionario mas utilizado para evaluar la calidad de vida fue el SF-36 (71%) y la actividad fisica fue auto reportada en 82% de los estudios. El mayor nivel de actividad fisica se asocio con la mejor percepcion de calidad de vida en ancianos, adultos aparentemente saludables o en diferentes condiciones de salud. CONCLUSIONES: La asociacion entre actividad fisica y calidad de vida es positiva y varia de acuerdo con el dominio analizado.

Association between physical activity and quality of life in adults

OBJECTIVEnTo summarize and analyze evidences of the association between physical activity and quality of life.nnnMETHODSnSystematic literature review in three electronic databases -PubMed, Lilacs and SciELO- using the following descriptors: physical activity, motor activity, exercise, walking, running, physical fitness, sport, life style, quality of life, WHOQOL and SF. There were selected 38 studies published between 1980 and 2010 that used any instrument to measure physical activity and any version of the Medical Outcomes Study 36-Item Short-Form Health Survey or the World Health Organization Quality of Life to assess quality of life.nnnRESULTSnMost studies reviewed were cross-sectional (68%), 18% experimental, 8% prospective follow-up cohort and 5% mixed-design (cross-sectional and longitudinal). The most widely used questionnaire to assess quality of life was SF-36 (71%), and physical activity was self-reported in 82% of the studies reviewed. Higher level of physical activity was associated with better perception of quality of life in the elderly, apparently healthy adults and individuals with different clinical conditions.nnnCONCLUSIONSnThere is a positive association between physical activity and quality of life that varies according to the domain analyzed.OBJETIVO: Sintetizar y analizar las evidencias de la literatura sobre la asociacion entre actividad fisica y calidad de vida. METODOS: Revision sistematica en las bases PubMed, Lilacs y SciELO con utilizacion de los descriptores physical activity, motor activity, exercise, walking, running, physical fitness, sport, life style, quality of life, WHOQOL, y SF. Se seleccionaron 38 estudios publicados entre 1980 y 2010 que utilizaron algun instrumento de medida de la actividad fisica y con alguna version de los cuestionarios Medical Outcomes Study 36-Item Short-Form Health Survey o World Health Organization Quality of Life para evaluar la calidad de vida. RESULTADOS: La mayoria de los estudios presento delineamiento transversal (68%), 18% fueron experimentales, 8% de acompanamiento prospectivo (cohorte) y 5% con delineamiento mixto (transversal y longitudinal). El cuestionario mas utilizado para evaluar la calidad de vida fue el SF-36 (71%) y la actividad fisica fue auto reportada en 82% de los estudios. El mayor nivel de actividad fisica se asocio con la mejor percepcion de calidad de vida en ancianos, adultos aparentemente saludables o en diferentes condiciones de salud. CONCLUSIONES: La asociacion entre actividad fisica y calidad de vida es positiva y varia de acuerdo con el dominio analizado.

Atividade física e fatores associados em adolescentes do ensino médio de Curitiba, Brasil

OBJECTIVEnTo estimate the prevalence of physical activity in adolescents and to identify associated factors.nnnMETHODSnA cross-sectional study was conducted with a representative sample (n=1,518, 59.2% females) of students aged between 14 and 18 years, enrolled in the public school network of the city of Curitiba, Southern Brazil, in 2006. Physical activity practice was self-reported, according to the number of days per week when they perform moderate to vigorous physical activity lasting > 60 minutes. This practice was analyzed in two distinct models. In the first model, the variable was dichotomized into 0 day and > 1 day; in the second, into < 4 days and > 5 days. Independent variables were as follows: biological-demographic (sex, age, body mass index); socioeconomic (parents level of education, number of cars); behavioral (number of hours spent watching television, number of hours spent using a computer); and sociocultural (social support from family and friends and the perception of barriers to the practice of activities), tested with Poisson regression.nnnRESULTSnIn the first model of analysis, the prevalence of physical activity was 58.2% (75.1% in males; 46.5% in females; p<0.001), while, in the second, it was 14.5% (22.3% and 9.1%, respectively; p<0.001). In the first model, the variables associated with physical activity were: male sex (PR=1.63, 95% CI: 1.48;1.78), social support from family (PR=1.14, 95% CI: 1.05;1.23), social support from friends (PR=1.52, 95% CI: 1.31;1.78) and high perception of barriers (PR=0.54, 95% CI: 0.46;0.62). In the second model, only male sex (PR=2.45, 95% CI: 1.73;3.46) and high perception of barriers (PR=0.24, 95% CI: 0.15;0.38) were associated with physical activity.nnnCONCLUSIONSnMore than half of adolescents practice physical activity at least one day of the week, although 14.5% achieved the current recommendations. The recommended levels are associated with a lower number of factors. Gender and perception of barriers were consistently associated with physical activity levels.OBJETIVO: Estimar a prevalencia de atividade fisica e identificar fatores associados em adolescentes. METODOS: Estudo transversal realizado com amostra representativa (n = 1.518, 59,2% do sexo feminino) de escolares de 14-18 anos de idade da rede publica de ensino de Curitiba, PR, em 2006. A pratica de atividade fisica foi auto-referida, em numero de dias por semana em que realiza atividade de intensidade moderada a vigorosa com duracao > 60 minutos. A pratica foi analisada em dois modelos distintos. No primeiro, a variavel foi dicotomizada em 0 dia e > 1 dia; no segundo, em 5 dias. As variaveis independentes foram: demografico-biologicas (sexo, idade, indice de massa corporal); socioeconomicas (escolaridade dos pais, numero de carros); comportamentais (horas assistindo TV, horas em frente ao computador); e socioculturais (apoio social da familia e dos amigos, e a percepcao de barreiras para a pratica de atividades) testadas em regressao de Poisson. RESULTADOS: No primeiro modelo de analise, a prevalencia de atividade fisica foi de 58,2% (75,1% do sexo masculino e 46,5% do feminino; p < 0,001) e no segundo, de 14,5% (22,3% e 9,1%, respectivamente; p < 0,001). No primeiro modelo, as variaveis associadas a atividade fisica foram sexo masculino (RP = 1,63, IC95%: 1,48;1,78), apoio social da familia (RP = 1,14, IC95%: 1,05;1,23), dos amigos (RP = 1,52, IC95%: 1,31;1,78) e elevada percepcao de barreiras (RP = 0,54, IC95%: 0,46;0,62). No segundo modelo, apenas o sexo masculino (RP = 2,45, IC95%: 1,73;3,46) e a baixa percepcao de barreiras (RP = 0,24, IC95%: 0,15;0,38) associaram-se a atividade fisica. CONCLUSOES: Mais da metade dos adolescentes praticam atividade fisica em pelo menos um dia da semana, embora 14,5% atinjam as recomendacoes atuais. Niveis recomendados estao associados a menor numero de fatores. Genero e percepcao de barreiras apresentam relacao consistente com os niveis de atividade fisica.

Prevalência de lesões em corredores de rua e fatores associados

The aim of this study was to analyze the prevalence of sports-related injuries and associated factors in street runners through a referred morbidity survey. Participants were selected by invitation and by volunteering among the runners from the Curitiba City Street Running Circuit during the months of September to November. 295 runners were interviewed (77.3% men). Prevalence rates were described accordingly to the study variables and Poisson regression was employed to test associations (p/ </ 0.05). The prevalence of sport injures occurred in the last six months was 28.5% (29.8% for men and 23.9% for women). Higher prevalence rates were observed among those aged from 30.1 - 45yr (32.8%); overweight/obese (35.2%); women training more than 30min/day (31.3%); and men training more than 60 min/day (34.2%). None of the variables analyzed were associated with self-reported sport injuries. The majority of injured subjects (60.5%) remained less than three months away from training and those with training volume between 31 and 60 min/day were more likely to show this condition (prevalence ratio/ =/ 2.44; CI95% = 0.99-6.06; p = 0.05). It is concluded that sports injuries prevalence is observed in 1/3 of men and 1/4 of women. The variables investigated were not associated with prevalence of sport injuries in street runners and the injuries severity is associated with training volume.

Neighborhood safety and physical inactivity in adults from Curitiba, Brazil

BackgroundNeighborhood safety is one of the environmental aspects that can influence physical activity. We analyzed the association between perceived neighborhood safety and physical inactivity (PI) in adults and examined effect modification according to sociodemographic variables.MethodsA cross-sectional study was conducted with 1,261 adults (62% women), age 18–69u2009years from Curitiba, Brazil.ResultsThe perception of unsafe neighborhood was higher among women, older participants, those classified in the high socioeconomic (SES) group, overweighed and also among those reporting to have PA equipments and children. The association between perception safety of walking during the day and walking for leisure (women PRu2009=u20091.12 CI95%u2009=u20091.02–1.22; men PRu2009=u20090.82 CI95%u2009=u20090.64–1.05; interaction term PRu2009=u20091.38 CI95%u2009=u20091.03–1.83) and safe perception was associated with PI, just in the highest SES group (PRu2009=u20091.09; CI95%u2009=u20091.00–1.19; p trendu2009=u20090.032) when compared with their counterparts (low SES PRu2009=u20090.99; CI95%u2009=u20090.90–1.04; p trendu2009=u20090.785; interaction term PRu2009=u20091.09; CI95%u2009=u20091.03–1.15; p trendu2009=u20090.007).ConclusionThe perception of safety in the neighborhood was associated with PI in transport, but this association varies across of sociodemographic variables.

Physical activity and associated factors in high-school adolescents in Southern Brazil

OBJECTIVEnTo estimate the prevalence of physical activity in adolescents and to identify associated factors.nnnMETHODSnA cross-sectional study was conducted with a representative sample (n=1,518, 59.2% females) of students aged between 14 and 18 years, enrolled in the public school network of the city of Curitiba, Southern Brazil, in 2006. Physical activity practice was self-reported, according to the number of days per week when they perform moderate to vigorous physical activity lasting > 60 minutes. This practice was analyzed in two distinct models. In the first model, the variable was dichotomized into 0 day and > 1 day; in the second, into < 4 days and > 5 days. Independent variables were as follows: biological-demographic (sex, age, body mass index); socioeconomic (parents level of education, number of cars); behavioral (number of hours spent watching television, number of hours spent using a computer); and sociocultural (social support from family and friends and the perception of barriers to the practice of activities), tested with Poisson regression.nnnRESULTSnIn the first model of analysis, the prevalence of physical activity was 58.2% (75.1% in males; 46.5% in females; p<0.001), while, in the second, it was 14.5% (22.3% and 9.1%, respectively; p<0.001). In the first model, the variables associated with physical activity were: male sex (PR=1.63, 95% CI: 1.48;1.78), social support from family (PR=1.14, 95% CI: 1.05;1.23), social support from friends (PR=1.52, 95% CI: 1.31;1.78) and high perception of barriers (PR=0.54, 95% CI: 0.46;0.62). In the second model, only male sex (PR=2.45, 95% CI: 1.73;3.46) and high perception of barriers (PR=0.24, 95% CI: 0.15;0.38) were associated with physical activity.nnnCONCLUSIONSnMore than half of adolescents practice physical activity at least one day of the week, although 14.5% achieved the current recommendations. The recommended levels are associated with a lower number of factors. Gender and perception of barriers were consistently associated with physical activity levels.OBJETIVO: Estimar a prevalencia de atividade fisica e identificar fatores associados em adolescentes. METODOS: Estudo transversal realizado com amostra representativa (n = 1.518, 59,2% do sexo feminino) de escolares de 14-18 anos de idade da rede publica de ensino de Curitiba, PR, em 2006. A pratica de atividade fisica foi auto-referida, em numero de dias por semana em que realiza atividade de intensidade moderada a vigorosa com duracao > 60 minutos. A pratica foi analisada em dois modelos distintos. No primeiro, a variavel foi dicotomizada em 0 dia e > 1 dia; no segundo, em 5 dias. As variaveis independentes foram: demografico-biologicas (sexo, idade, indice de massa corporal); socioeconomicas (escolaridade dos pais, numero de carros); comportamentais (horas assistindo TV, horas em frente ao computador); e socioculturais (apoio social da familia e dos amigos, e a percepcao de barreiras para a pratica de atividades) testadas em regressao de Poisson. RESULTADOS: No primeiro modelo de analise, a prevalencia de atividade fisica foi de 58,2% (75,1% do sexo masculino e 46,5% do feminino; p < 0,001) e no segundo, de 14,5% (22,3% e 9,1%, respectivamente; p < 0,001). No primeiro modelo, as variaveis associadas a atividade fisica foram sexo masculino (RP = 1,63, IC95%: 1,48;1,78), apoio social da familia (RP = 1,14, IC95%: 1,05;1,23), dos amigos (RP = 1,52, IC95%: 1,31;1,78) e elevada percepcao de barreiras (RP = 0,54, IC95%: 0,46;0,62). No segundo modelo, apenas o sexo masculino (RP = 2,45, IC95%: 1,73;3,46) e a baixa percepcao de barreiras (RP = 0,24, IC95%: 0,15;0,38) associaram-se a atividade fisica. CONCLUSOES: Mais da metade dos adolescentes praticam atividade fisica em pelo menos um dia da semana, embora 14,5% atinjam as recomendacoes atuais. Niveis recomendados estao associados a menor numero de fatores. Genero e percepcao de barreiras apresentam relacao consistente com os niveis de atividade fisica.

Perceived environment and public open space use: a study with adults from Curitiba, Brazil

BackgroundThe aim of this study was to investigate the association between the perceived environment and the use of public open spaces (POS).MethodsA cross-sectional study with household surveys was conducted in 1,461 adults from Curitiba, Brazil interviewed in person. The perceived environment was evaluated with the Neighborhood Environment Walkability Scale, and the POS use was evaluated using the ordinal scale (increased use).ResultsThe presence of interesting objects, heavy traffic, and the number of positive attributes of the environment was positively associated with POS use among men, and the presence of trees was associated with the use among women.ConclusionsManagers should invest in the architectural attractiveness of neighborhoods and should plant and conserve trees to encourage POS use.

Validade e fidedignidade da escala de satisfação com a prática de atividade física em adultos

OBJECTIVEnTo analyze the validation, internal consistency and reliability of the satisfaction scale for performing physical activity among Brazilian adults.nnnMETHODSnThe satisfaction scale for the performance of physical activity was applied using a multidimensional questionnaire. Face-to-face interviews were performed with 1,461 subjects (63.7% females) who were at least 18 years in Curitiba, Southern Brazil from April 2009 to July 2009. The questionnaire was submitted to an analysis of its validity (factorial and construct) and reliability (internal consistency and temporal stability). The test-retest procedure was used to assess temporal stability after a one-week interval (n = 74).nnnRESULTSnThe exploratory factor analysis yielded two main factors: satisfaction with the practice of walking during leisure-time and satisfaction with the practice of moderate or vigorous physical activity. These factors explained 29.3% of the variance for walking and 53.5% of the variance for moderate and vigorous physical activity. Alpha values of 0.91 and 0.88, respectively, indicated high internal consistency and two subscales. The scale items presented high agreement in the test-retest for both walking (71.7% to 81.1%) and moderate and vigorous physical activity (80.5% to 92.6%). These factors presented a significant correlation with time spent walking (minutes/week) (rho = 0.23; p < 0.001) and time spent performing moderate and vigorous physical activity (rho = 0.21; p < 0.001), which indicated the validation of the construct.nnnCONCLUSIONSnThe proposed satisfaction scale for the performance of physical activity has been appropriately validated and exhibits internal consistency and reliability for Brazilian adults.OBJETIVO: Analizar la validez, consistencia interna y fidedignidad de la escala de satisfaccion con la practica de actividad fisica en adultos brasilenos. METODOS: La escala de satisfaccion con la practica de actividad fisica fue aplicada con cuestionario multidimensional cara a cara en 1.461 individuos (63,7% mujeres) con edad > 18 anos en Curitiba, Sur de Brasil, de abril a julio de 2009. El cuestionario fue sometido al analisis de validez (factorial y constructo) y fidedignidad (consistencia interna y estabilidad temporal). El procedimiento de test-retest, con una semana de intervalo (n=74), fue empleado para verificar la estabilidad temporal. RESULTADOS: El analisis factorial exploratorio presento dos factores: satisfaccion con la practica de caminada en el tiempo libre y satisfaccion con la practica de actividad fisica moderada o vigorosa. Los factores explicaron 29,3% de la varianza de la caminada y 53,5% de actividad fisica moderada o vigorosa. Valores de α=0,91 y 0,88, respectivamente, indican elevada consistencia interna y dos subescalas. Los itens de la escala presentaron elevada concordancia en el test-retest tanto para caminada (71,7% a 81,1%) como para actividad fisica moderada o vigorosa (80,5% a 92,6%). Los factores presentaron correlacion significativa con el tiempo gastado en caminada (min/semana) (rho=0,23; p<0,001) y en actividad fisica moderada o vigorosa (rho=0,21; p<0,001), indicando la validez del constructo del instrumento. CONCLUSIONES: La escala de satisfaccion con la practica de actividad fisica propuesta presenta validez, consistencia interna y fidedignidad adecuadas para aplicacion en adultos brasilenos.

Propriedades psicométricas de uma escala de autoeficácia para a prática de atividade física em adultos brasileiros

OBJECTIVEnTo test the validity and reliability of a self-efficacy scale for physical activity (PA) in Brazilian adults.nnnMETHODSnA self-efficacy scale was applied jointly with a multidimensional questionnaire through face-to-face interviews with 1,418 individuals (63.4% women) aged ≥ 18 years. The scale was submitted to validity (factorial and construct) and reliability analysis (internal consistency and temporal stability). A test-retest procedure was conducted with 74 individuals to evaluate temporal stability.nnnRESULTSnExploratory factor analyses revealed two independent factors: self-efficacy for walking and self-efficacy for moderate and vigorous PA (MVPA). Together, these two factors explained 65.4% of the total variance of the scale (20.9% and 44.5% for walking and MVPA, respectively). Cronbachs alpha values were 0.83 for walking and 0.90 for MVPA, indicating high internal consistency. Both factors were significantly and positively correlated (rho ≥ 0.17, P < 0.001) with quality of life indicators (health perception, self-satisfaction, and energy for daily activities), indicating an adequate construct validity.nnnCONCLUSIONSnThe scales validity, internal consistency, and reliability were adequate to evaluate self-efficacy for PA in Brazilian adults.

Efeito das diferentes fases do ciclo menstrual no desempenho da força muscular em 10RM

The aim of this study was to investigate the effect of the different phases of the menstrual cycle (MC) on muscular strength performance in resistance exercises. Nine healthy and physically active women, aged 27±7 yrs, body mass 58.2±5 kg, height 161.1±4.7 cm and BMI 20.4±2 kg/m2 participated in the study. All of them had regular MCs (28-31 days), used oral contraceptives and had been experienced in resistance exercises for at least eight months. Muscle strength was evaluated with a 10RM test in the following order: leg press 45o, bench press, leg extension and biceps curl. The tests were performed in the three phases of the MC: follicular (between the 3rd and 5th day of menses), ovulatory (between 9th and 10th days) and luteal (between 17th and 21th days). ANOVA for repeated measures was applied for statistical analysis, data were analyzed in the SPSS 15.0 and level of significance was set at 5% (p<0.05). No significant statistical differences were observed in the mobilized weight between the MC periods in those four exercises. Regarding the leg press exercise, a 5% increment in muscle strength was observed on the luteal phase. In the remaining exercises and phases these differences were not observed. In conclusion, the phases of the MC did not affect performance of muscular strength in resistance exercise, both single or multiple joint, for large or small muscle groups or in different body segments